* {
	 		margin: 0;
	 		padding: 0;
	 		box-sizing: border-box;
	 	}
	 	body {
	 		width: 100%;
	 		background-color: antiquewhite;
	 	}
	 	
	 	[v-cloak]{
	 		display: none;
	 	}
	 	
	 	.calcu {
	 		width: 600px;
	 		height: 470px;
	 		margin: 100px auto;
	 		/*background-color: blue;*/
	 	}
	 	#center {
	 		width: 600px;
	 		height: 470px;
	 		margin: 0 auto;
	 		box-shadow:9px 9px 15px #c8c8c8 ;
	 	}
	 	.calcu-play {
	 		width: 600px;
	 		height: 120px;
	 		font-size: 50px;
	 		background-color: pink;
	 		outline: none;
	 	}
	 	.calcu-key {
	 		margin: 0 auto;
	 		height: 350px;
	 		width: 600px;
	 		text-align: center;
	 		align-items: center;
	 	}
	 	.calcu-key button {
	 		width: 100%;
	 		height: 100%;
	 		font-size: 30px;
	 		outline: none;
	 	}
	 	.calcu-key td {
	 		width: 50px;
	 	}